Manga by Initial Alphabetic:O

One Piece
Chapter 1005If you’re a fan of anime and manga, then you definitely know One Piece. It’s a Japanese manga series by Eiichiro Oda, a world-renowned manga writer and illustrator. It was released nearly two decades ago back in July of 1997. Since then, the manga has been adapted into an anime series and OVA. There have also been numerous One Piece animated feature films and television specials. One Piece merchandise is also some of the best-selling items in all of anime. follows the adventurous and funny story of Monkey D. Luffy. As a boy, Luffy has always wanted to be the... Read more

Onepunch-Man
Chapter 133imitates the life of an average hero who wins all of his fights with only one punch! This is why he is called Onepunch man Manga. This story takes place in the fictional Z-City. The world is full of mysterious beings, villains and monsters that cause destruction and havoc. An association of heroes has been established to protect the citizens from all harms and enemies. People with superhuman ability can register themselves with the association that protects citizens. There, they will be required to take a series of tests to determine their ability and what class they are. Class S... Read more

Other World Warrior
Chapter 151Would you like to find a job? Even at the cost of your soul? If so, then you’ve found the right place. Our job hunting advice website, Soul Sellers, is a site geared towards those willing to even sell their souls for employment; that’s right, people like you. Are you dealing with angels or demons?30-year old freeloader Chul Ho Kang made a deal through this shady site, even selling his soul for the chance at what else? Money! An invitation to the other world for the weak and downtrodden of society for a chance to change their lot in life!... Read more

Out (Makoto Mizuta)
Chapter 17817-year-old Iguchi Tatsuya has just been released from juvenile detention and is on probation. He's been relocated to a new area, away from the bad influence of his old friends, and is under the care of his aunt. He is determined not to be sent back to lockup, and he works hard in his aunt's restaurant. However, he still has the same personality, the same tendency to violence, and still falls in with the same sort of people. It's going to be difficult for him to stay out of trouble Read more

Ore Dake Haireru Kakushi Dungeon: Kossori Kitaete Sekai Saikyou
Chapter 45Third son of a "beggar noble" Nore lost his job and was at a loss. But as he was contemplating whether to become an adventurer fortune struck.A Hidden Dungeon that no one knows how to get enter. A legendary place full of hidden things like extremely rare magical beasts, magic tools for gaining power and items that would be scarce all over the world. That's the kind of entrance that was opened."Without telling anyone about this place I'll secretly become the strongest."This world is harsh to nobles of poverty. Without authority of honor, if I could at least acquire power―― Read more

Onepunch-Man (One)
Chapter 137Follows the life of a hero who manages to win all battles with only one punch. This ability seems to frustrate him as he no longer feels the thrill and adrenaline of fighting a tough battle, which leads to him questioning his past desire of being strong. MURATA Yuusuke of Eyeshield 21 fame approached ONE for a collaboration of talents, with his redrawn version of Onepunch-Man. Raw: http://galaxyheavyblow.web.fc2.com/ The translation started at chapter 31, because by the time it began, the redrawn version was already approaching chapter 31. Read more

Ore No Genjitsu Wa Ren'ai Game?? Ka To Omottara Inochigake No Game Datta
Chapter 42One day, 25-year-old Hasegawa Ryou wakes up to see a holographic screen floating in front of him. The screen prompts him to save/load files and an item shop, as well as his stats. It seems like he’s been sucked into some erotic love game, since his stats depend on seducing women and “capturing” them.After finding a target and going through game-like options, Ryou thinks he knows what he has to do to “capture” his target. Surely he needs to have sex with her, right? And yet when the woman turns out to be a murderer, Ryou finds out the shocking... Read more

Overlord
Chapter 61.5The story begins with Yggdrasil, a popular online game which is quietly shut down on its last day. Our protagonist Momonga decided to stay until the last moment in his beloved game and wait for the force logout. Unexpectedly, the server did not shut down and Momonga is stuck in his skeleton body and got transferred to another world. "The powerful Overlord" needs now to discover a new world and face the continuous challenges. Having no parents, friends, or place in society, this ordinary man strives to take over the new world the game has become.Similar Manga you may like:+ Gaikotsu... Read more

Ore No Ie Ga Maryoku Spot Datta Ken – Sundeiru Dake De Sekai Saikyou
Chapter 70Living carefree at home is the greatest shortcut—my house is the world’s greatest Magic Power Spot. That being the case, both my house and I were summoned to another world by some guys who were aiming for it. However, I’ve been living in this place for many years and my body is, apparently, abnormally overflowing with magic. Due to some unforeseen circumstances by those guys who summoned me, they quickly ran away. Be that as it may, there are still some ill-mannered people who covet the magic leaking out of my house. I won’t give up my house to those... Read more

Oversimplified Scp
Chapter 156The SCP Foundation is a fictional organization documented by the web-based collaborative fiction project of the same name. In universe, the SCP Foundation is responsible for locating and containing individuals, entities, locations, and objects that violate natural law (referred to as SCPs).This manga summarizes the reports of the SCPs currently under the Foundation. Read more

Otome Danshi Ni Koisuru Otome
Chapter 604A 30 episodes short comic by Shimazaki MujirushiMizuguchi Mayu, a girl who hates men, fell in love at first sight with a... "man-in-drag"!?Does she likes "girls"? Or does she likes "boys"?Find out in this heart throbbing pure love comedy! (from twi4) Read more

Otome Game No Hametsu Flag Shika Nai Akuyaku Reijou Ni Tensei Shite Shimatta...
Chapter 35I recovered my past memories when my head was hit by a rock.I am Katarina Claes, the eight year old daughter of a duke.Whilst embroiled in a feverish nightmare, in which the prince’s fiancee was determined, I have realized that this world is an otome game from my previous life.Also, I have turned into the villainess who interfered with the romance of the capture targets…If the heroine got a happy end, I would be exiled, but if she got a bad end, I would be killed by the capture target…I have no happy end?! Why is it all bad?!Somehow I... Read more

Origin
Chapter 87.5The year is AD 2048. Japan is connected to the Eurasian continent by a transcontinental railroad. The capital, Tokyo, has become a crucible of criminals and terrorists. And so, in the metropolitan darkness a mysterious presence attacks and slaughters people, unnoticed, night after night... Just what are these "things that are not human" living in hiding in the human world? And just who is this "Origin" person who faces them? Read more

Ookii Onnanoko Wa Daisuki Desu Ka?
Chapter 48Tachibana Souta is a bit of a multi-talented freeter who gets by from one part-time job to the next, his standout characteristic being that he's a bit short. One day he's roped by his older sister into 'serving' their college's volleyball team, of which she's a member. She also happens to be at least 6 and 1/2 ft. tall, as do the rest of the team's members who take quite the interest in Souta. Read more

Overgeared
Chapter 68Young Woo Shin, Username: Grid. In the words best virtual reality game , bad luck always revolves around him. But he stumbled across a job during a quest, the strongest legendary job out of over 2 billion players! Read more

Only Sense Online
Chapter 64From MangaHelpers: Utilizing a system called "Sense," each player aims to create their unique character in the VRMMORPG "Only Sense Online." Joining this realm is Yun, an absolute beginner in the world of gaming, equipped with some of the worst customized "Sense" ever. While his two sisters, both veterans in this world, criticize his choices of equipment, he continues to delve into the skill sets he has acquired. Along his way, he meets the art of "production" and people that have mastered this art. Watch as a total novice creates a revolution in the gaming world and create the "ultimate"... Read more

Ore To Kawazu-San No Isekai Hourouki
Chapter 40Tarou was just an ordinary university student until a strange old magician summoned him to another world. Upon learning that his newly acquired magical power is 8 million (8 million more powerful than an average magician), he uses his abnormally powerful magic to revive the old man that caused all this... in the form of a frog. Thus begin the strange adventures of a boy with ridiculous magical power and Kawazu, the former strongest magician, now revived as a frog. Read more

Okusama Wa Joshi Kousei
Chapter 143Onohara Asami is a cute, 17 year-old, 2nd year high school student. What nobody knows is that she's actually already married, to her physics teacher. Besides her responsibility as a student, she now has to take care of the household and keep the marriage a secret in school. Will she be able to do all of this and will she succeed in making her danna-sama (husband) interested in her? Read more

Osananajimi Ni Najimitai
Chapter 24Osananajimi ni najimitai summary is updating. Come visit MangaNelo.com sometime to read the latest chapter of Osananajimi ni najimitai. If you have any question about this manga, Please don't hesitate to contact us or translate team. Hope you enjoy it. Read more

Outrageous Princess
Chapter 203She is the most respected daughter of prince Rong yet she is so timid and weak that every one can humiliate her. But a strong soul of a female killer from the modern time takes control of her body and everything begins to change…she takes revenge on those who bullied her not only because she is powerful enough but also that she has the most wealthy man at her back… Read more

Ore Wo Suki Nano Wa Omae Dake Ka Yo
Chapter 42Ore wo Suki Nano wa Omae Dake ka yo summary is updating. Come visit MangaNelo.com sometime to read the latest chapter of Ore wo Suki Nano wa Omae Dake ka yo. If you have any question about this manga, Please don't hesitate to contact us or translate team. Hope you enjoy it. Read more

Oyasumi Punpun
Chapter 147Witness the titular Punpun - who is depicted as a tiny, caricatured bird in an otherwise normal human setting - as he copes with his dysfunctional family and friends, his love interest, his oncoming adolescence and his hyperactive mind. Read more

Ouji-Sama Nante Iranai
Chapter 200Yukino is a new student enrolled in Douwa all-girls high. But this high school isn't a regular one since it's split into two divisions: Botan and Shakuyaku. The students from Botan and Shaku-Yaku are competing with each other in order to maintain their elite status. Because of some circumstances, Yukino, who is a student of Shakuyaku, will meet Nobara, a girl from Botan. Both Yukino and Nobara are caught up in the competition between these two divisions and will play a key role in this rivalry. Read more

Oroka Na Tenshi Wa Akuma To Odoru
Chapter 50Masatora Akutsu has just transferred into class in Japan from a long way away - all the way from Hell, to be exact. Akutsu is a demon who's come to Earth to find someone who can motivate the forces of Hell to fight back against the invading Heavenly army. He immediately sets his sights on one of his classmates, the kind and beautiful Lily Amane, but ends up in way over his head when it turns out Lily has some secrets of her own! Read more

Okusan
Chapter 115About a housewife that has moved into a new town trying to adjust to her fairly new married life with certain quirks and encounters with neighbours along the way. Read more

Ojousama No Shimobe
Chapter 49The story centers around a main character with a meddlesome personality whose father is a butler and whose mother is a maid, and who one day meets a rich young lady who cannot even change her own clothes, let alone know what do in the outside world. Read more

Ouroboros
Chapter 133.5Ikuo Ryuuzaki and Danno Tatsuya are 2 orphaned boys who were looked after by a person they called 'sensei'. Following their sensei's brutal murder, the two vow to hunt down the killers and the police officers who neglected to properly investigate the case. 15 years later, Ryuuzaki is a police detective and Tatsuya has become the leader of a group of mobsters. Helping each other out behind the scenes, they strive to rise to the tops of their respective fields so that they may exact their vengeance. Read more

Otome No Teikoku
Chapter 228.5The everyday lives, games and hijinks of high-school girls at an all-girls school. Read more

Onii-Chan Is Done For
Chapter 49Self Published WebManga Presented by Grinp-CircleA TS Slice of Life Comedy about a brother who was transformed into a girl by his little sister's strange drugs.RAW : https://www.pixiv.net/member_illust.php?id=159912 Read more

Ookami-Heika No Hanayome
Chapter 82From StarryHeaven: Yuurin, the daughter of a low ranking government officer, came to the royal palace after hearing of a job with higher wages. However, that job is to act as the bride of Haku Reishou, who is feared as being the ruthless and heartless "His Majesty, the Wolf". In the royal palace where conspiracies swirl, after learning His Majesty's secret, Yuurin ends up stuck being his temporary bride...!? Read more
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